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v3.23.2

Loans - Disaggregated by class of gross loans and type of concession granted (Details) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 USD ($) | Jun. 30, 2023 USD ($)
Financing Receivable, Recorded Investment [Line Items] |  |
Loans | $ 0 | $ 0
Commercial loans |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Amortized Cost Basis | $ 954 | $ 954
Total Class of Gross Loans |  | 0.08%
Weighted Average of years |  | 7 years 3 months 18 days

X
- Definition Accumulated amortized cost excluding accrued interest, of financing receivable modified for debtor experiencing financial difficulty. + References No definition available. + Details
Name: | unty_FinancingReceivableExcludingAccruedInterestModifiedAccumulated
Namespace Prefix: | unty_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Percentage, excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty to total financing receivables. + References No definition available. + Details
Name: | unty_FinancingReceivableExcludingAccruedInterestModifiedInPeriodToTotalFinancingReceivables
Namespace Prefix: | unty_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amortized cost excluding accrued interest, of financing receivable with payment default in current period and modified within previous 12 months preceding payment default for debtor experiencing financial difficulty. + References No definition available. + Details
Name: | unty_FinancingReceivableExcludingAccruedInterestModifiedSubsequentDefault
Namespace Prefix: | unty_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Period of increase in weighted average maturity of financing receivable modified for debtor experiencing financial difficulty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | unty_FinancingReceivableModifiedWeightedAverageTermIncreaseFromModification
Namespace Prefix: | unty_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |